74416b1 m4: Check for rl_completion_quote_character

Authored and Committed by mprivozn 6 years ago
    m4: Check for rl_completion_quote_character
    
    Apparently we can't assume that people run readline recent enough
    to have rl_completion_quote_character (added in readline-5.0
    released in 2011). However, we can't compile without it. So if
    not present, disable readline.
    
    Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
    Reviewed-by: Andrea Bolognani <abologna@redhat.com>
    
        
file modified
+13 -0